Home / 5,818.64-8,729.04-1,925.78

Finding the Fourth Proportional to 5,818.64, 8,729.04 and 1,925.78

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Solution

The fourth proportional to 5,818.64, 8,729.04 and 1,925.78 is: 2,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.64 : 8,729.04 = 1,925.78 : x
  2. Step 2: Convert to fraction form
    5,818.64/8,729.04 = 1,925.78/x
  3. Step 3: Cross multiply
    5,818.64x = 8,729.04 × 1,925.78
  4. Step 4: Simplify right side
    5,818.64x = 16,810,210.65
  5. Step 5: Solve for x
    x = 16,810,210.65/5,818.64
  6. Step 6: Final answer
    x = 2,889.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.